fix: wrong msgType found by explain.sim

source/libs/qworker/src/qworker.c

@@ -535,7 +535,10 @@ int32_t qwHandleTaskComplete(QW_FPARAMS_DEF, SQWTaskCtx *ctx) {
       SExplainExecInfo *execInfo = NULL;
       int32_t           resNum = 0;
       QW_ERR_RET(qGetExplainExecInfo(ctx->taskHandle, &resNum, &execInfo));
-      QW_ERR_RET(qwBuildAndSendExplainRsp(&ctx->ctrlConnInfo, execInfo, resNum));
+
+      SRpcHandleInfo connInfo = ctx->ctrlConnInfo;
+      connInfo.ahandle = NULL;
+      QW_ERR_RET(qwBuildAndSendExplainRsp(&connInfo, execInfo, resNum));
     }
 
     qwFreeTaskHandle(QW_FPARAMS(), taskHandle);

source/libs/qworker/src/qworkerMsg.c

@@ -74,7 +74,7 @@ int32_t qwBuildAndSendReadyRsp(SRpcHandleInfo *pConn, int32_t code) {
       .code = code,
       .info = *pConn,
   };
-  rpcRsp.info.ahandle = NULL,
+  rpcRsp.info.ahandle = NULL;
 
   tmsgSendRsp(&rpcRsp);
 
@@ -95,6 +95,7 @@ int32_t qwBuildAndSendExplainRsp(SRpcHandleInfo *pConn, SExplainExecInfo *execIn
       .code = 0,
       .info = *pConn,
   };
+  rpcRsp.info.ahandle = NULL;
 
   tmsgSendRsp(&rpcRsp);